title: Long-term montelukast therapy in moderate to severe COPD--a preliminary observation.
mesh_terms: D000085:Acetates / Q000627:therapeutic use*; D000368:Aged; D003521:Cyclopropanes; D005541:Forced Expiratory Volume / Q000502:physiology; D006801:Humans; D020024:Leukotriene Antagonists / Q000627:therapeutic use*; D008134:Long-Term Care; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy* / Q000503:physiopathology; D011804:Quinolines / Q000627:therapeutic use*; D012189:Retrospective Studies; D013440:Sulfides; D014797:Vital Capacity / Q000502:physiology
chemical_list: D000085:Acetates; D003521:Cyclopropanes; D020024:Leukotriene Antagonists; D011804:Quinolines; D013440:Sulfides; C093875:montelukast